Sony SRS-BTV25 Service Manual ▷ View online
SRS-BTV25
SRS-BTV25
21
21
1
2
1
2
14
13
1
4
1
100
76
75
26
25
50
51
6 10
5 1
1
2
1
3
1
9
R401
R402
R403
R404
R409
R410
R415
R416
CN401
CN402
R423
R426
R427
R428
R430
R434
R435
R436
R437
C402
C403
C404
C405
C406
R443
C407
C408
C409
C410
X401
C412
C413
C414
C415
C420
C422
C423
C424
C425
C426
CL128
CL129
C432
C433
C437
C438
CL901
C439
C442
C445
C446
C447
C448
C449
Q101
C450
C451
C452
C453
C455
C456
C457
C458
C459
C460
C461
C462
C463
C464
C465
Q901
Q902
Q903
IC401
IC402
IC406
L901
R101
R106
R108
R109
R110
R111
R113
R114
R115
R116
CN101
CN102
R121
FB901
FB902
R123
FB903
R124
FB904
FB905
FB906
R126
FB907
R127
R128
R129
CN301
R905
R138
R139
C101
C102
R333
C103
R910
C104
C105
R911
R336
C106
R912
R913
R337
R338
R914
R915
R339
R146
R916
R917
R149
R340
C110
R341
C111
X101
CN901
C112
R342
CN902
C113
R343
R150
R344
C114
R920
R151
R345
C118
R155
C119
R156
R157
R928
R159
R160
R161
R163
R358
C901
C902
C903
C904
C905
C906
C904
C905
C906
C907
C908
C909
C330
C331
C332
C333
C334
C911
C335
C912
C336
C337
C913
C338
C339
C915
C916
C919
C340
C341
C342
C920
C345
C921
C922
C923
D101
D102
Q401
IC101
IC102
IC104
L401
L402
L403
L404
IC304
IC305
D902
D903
D904
D907
IC901
IC903
1
8
5
4
R412
R414
R417
R418
R419 R420 R421
R422
R425
R429
R431
R432
R433
R438
R439
R444
R445
CL101
CL102
CL103
CL104
CL105
CL107
CL108
CL109
C416
C417
CL110
C418
C419
CL114
CL115
JL401
CL116
JL402
CL117
JL403
CL118
JL404
CL119
C421
C427
CL120
CL121
C429
CL122
CL123
CL124
CL125
CL126
CL127
C430
C431
C434
C435
C436
C440
C441
C454
Q906
Q907
IC403
IC404
IC405
FB101
FB102
FB301
FB302
FB303
R102
R103
R104
R301
R302
R303
R304
R309
R310
R311
R312
CN103
R313
R120
R314
R315
R316
R317
R318
R125
R319
R320
R321
R322
R130
R131
R325
R132
R326
R133 R134
R328
R135
R329
R136
R330
R331
R332
R140 R141 R142 R143
C107
R144
C108
R145
R147 R148
C301
C302
C303
C304
C115
R346
R152
C116
R347
R153
C117
R348
R154
R349
C311
JL101
C312
JL102
C313
JL103
R350
JL104
R351
C315
JL105
R352
C316
JL106
R353
C317
JL107
R354
JL108
R355
JL109
R356
R162
R357
JL301
JL302
JL303
JL110
C321
C322
C323
C324
C325
C326
C327
C328
C329
JL901
JL902
C343
JL903
C344
JL904
C346
C347
C348
C349
C350
C351
C352
C353
C354
C355
C356
C357
C358
D301
D302
Q402
IC103
IC301
IC302
IC303
D905
D908
D909
D910
FB401
K
A E
E
K
A
1
3
6 4
1
4
5
8
1
7
8
14
1 4
8 5
X101
E
K
E
A
1
2
4
3
K K
A A
E
1
4
8
5
E
1-885-091-
11
(11)
1-885-091-
11
(11)
MAIN BOARD
(SIDE A)
MAIN BOARD
(SIDE B)
K
A A
1 3
6
4
1
3
5
4
1
3
5
4
1
4
8
5
K
A
A
5
8
4
1
SP2
(TWEETER)
SP1
(WOOFER)
1
3
A
KEYF BOARD
CN601
1
3
6
4
1
2
8
9
(NC)
25
36
37
48
1
12
13
24
1
3
5
4
1
3
5
4
1
3
BT
BOARD
USB
BOARD
JACK
BOARD
A
B
C
D
E
1
2
3
4
5
6
7
8
9
4-4. PRINTED WIRING BOARDS - MAIN Section -
•
: Uses unleaded solder.
• See page 19 for Circuit Boards Location.
(Page 20)
Note 1: IC101, IC304 and Q901 on the MAIN board cannot exchange with single. When
these parts are damaged, exchange the complete mounted board.
Note 2: When the BT board is defective, exchange the complete mounted board.
Note 4: When the USB board is defective, exchange the BATTERY HOLDER (SV) ASSY
(for Black) or BOTTOM FRAME (SV) ASSY (for White).
Note 3: When the JACK board is defective, exchange the BATTERY HOLDER (SV) ASSY
(for Black) or BOTTOM FRAME (SV) ASSY (for White).
SRS-BTV25
SRS-BTV25
22
22
4-5. SCHEMATIC DIAGRAM - MAIN Section (1/4) -
• See page 19 for waveforms. • See page 26 for IC Block Diagrams. • See page 28 for IC Pin Function Description.
Note 1: IC101 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
Note 2: When the BT board is defective, exchange
the complete mounted board.
(4/4)
4
BOARD
MAIN
MAIN
1
(3/4)
BOARD
MAIN
2
BOARD
(2/4)
BOARD
KEYF
CN601
A
1
IC B/D
IC B/D
IC B/D
BOARD
MAIN
(4/4)
3
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
3.3
1.8
1.5
3.3
3.3
3.3
3.3
3.3
0
0
3.3
3.3
3.3
3.3
0
3.3
0
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
4.3
3.3
3.3
4.3
4.3
3.3
1
3.3
0
3.3
DGND
TAS_PDN
CTL_PWR1
R5F364A6DFB
IC101
1
NO USE
2
NO USE
3
NO USE
4
NO USE
5
NO USE
6
BYTE
7
CNVSS
8
NO USE
9
NO USE
10
RESET
11
XO
12
VSS
13
XI
14
VCC1
15
NO USE
16
AC CUT
17
VBUS_OCP_DET
18
BT_MUTE
19
NO USE
20
NO USE
21
NO USE
22
NO USE
23
NO USE
24
NO USE
25
NO USE
26
NO USE
27
NO USE
28
NO USE
29
TXD1
30
RXD1
31
CLK1
32
BT_CTS
33
BT_TXD
34
BT_RXD
35
BT_RESET
36
BT_RTS
37
BT_CTL_PWR
38
NO USE
39
EPM
40
NO USE
41
NO USE
42
NO USE
43
NO USE
44
CE
45
DAMP_SDA
46
DAMP_SCL
47
DAMP_RESET
48
DAMP_PDN
49
CTL_V5A
50
AUDIO_DET
51
NO USE
52
NO USE
53
NO USE
54
NO USE
55
NO USE
56
NO USE
57
DA_DZF
58
NO USE
59
INPUT
SEL
60
VCC2
61
NO USE
62
VSS
63
NO USE
64
NO USE
65
NO USE
66
NO USE
67
NO USE
68
NO USE
69
NO USE
70
CTL_PWR
71
DAMP_F
AUL
T
72
DC_DET(PROTECT)
73
KEY_PWR
74
NO USE
75
NO USE
76 NO USE
77 NO USE
78 NO USE
79 NO USE
80 NO USE
81 NO USE
82 NO USE
83 LED PWR
84 LED BT
85 LED BASS
86 LED AUDO
87 NO USE
88 NO USE
89 NO USE
90 KEY_1(PWR/VOL+-)
91 KEY_2(BT)
92 KEY_3(BASS/PLAY)
93 DESTINATION
94 AVSS
95 MODEL
96 VREF
97 AVCC
98 NO USE
99 NO USE
100 NO USE
AUDIO_DET
TAS_FAULT
JL101
JL102
JL103
JL104
JL105
JL106
JL107
JL108
JL109
TAS_RESET
8MHz
X101
BT_LP
BT_LN
BT_RP
BT_RN
MM3404A33NRE
IC103
1
VIN
2
GND
3
CE
4
NC
5
VOUT
V51
MM3404A33NRE
IC104
1
VIN
2
GND
3
CE
4
NC
5
VOUT
2SC3052EF-T1-LEF
Q101
DA2J10100L
D101
DC_DET
TAS_SDA
TAS_SCL
INPUT_SEL
CL101
CL102
CL103
CL104
CL107
CL108
CL109
CL110
CL114
CL115
CL116
CL117
CL118
CL119
CL120
CL121
CL122
CL123
CL124
CL125
CL126
CL127
CL128
CL129
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14P
CN102
GND
RCH_N
RCH_P
LCH_P
LCH_N
GND
MUTE
URAT_TX
URAT_RX
URAT_RTS
URAT_CTS
3.3V
RESET
GND
1
2
3
4
5
6
7
8
9
9P
CN103
GND
RESET
CNVSS
RXD1
CLK1
3.3V
RTS1
TXD1
GND
CTL_PWR3
PST850AU
IC102
1
GND
2
VDD
3
VS
4
OUT
FB101
FB102
VBUS_PROTECT_DET
CL105
1
2
3
4
5
6
7
8
9
9P
CN101
5V
LED_PWR
LED_BT
LED_BASS
LED_AUDIO
KEY1
KEY2
KEY3
GND
MC2838-T112-1
D102
JL110
100
R163
100
R121
47k
R120
47k
R127
47k
R126
22
C107
100
R110
100
R108
100
R111
100
R109
100
R115
100
R114
100
R116
1k
R106
22
C104
22
C105
22k
R129
1k
R128
47k
R124
100k
R123
1000p
C106
22
C108
10k
R104
10k
R102
10k
R103
47k
R101
100
R113
1000p
C103
1000p
C102
1000p
C101
47k
R131
4.7k
R135
47k
R133
4.7k
R136
47k
R132
47k
R134
47k
R130
100
R139
100
R138
100
R140
100
R141
47
R143
47
R142
100
R147
100
R149
R161
100
100
R148
100
R150
100
R154
100
R151
100
R153
100
R152
47k
R145
47k
R144
47k
R125
100
R162
10k
R157
22k
R146
0.22
C110
47k
R155
100k
R156
1000p
C111
0.1
C112
1
C113
10k
R159
39k
R160
22
C114
16V
220
C118
C115
22
0.1
C119
10
C116
0.1
C117
DGND
IC102
VOLTAGE DETECT
+3.3V REGULATOR
IC104
IC103
+3.3V REGULATOR
IC101
SYSTEM CONTROLLER
MAIN BOARD (1/4)
RESET SWITCH
(NC)
BT
BOARD
16
8
I
14
2
15
12
A
D
5
B
7
C
6
11
3
H
F
13
G
9
E
10
1
J
4
(Page 20)
(Page 24)
(Page 23)
(Page 25)
(Page 25)
SRS-BTV25
SRS-BTV25
23
23
4-6. SCHEMATIC DIAGRAM - MAIN Section (2/4) -
• See page 26 for IC Block Diagrams.
Note 1: IC304 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the complete mounted board.
Note 2: When the JACK board is defective, exchange the BATTERY HOLDER
(SV) ASSY (for Black) or BOTTOM FRAME (SV) ASSY (for White).
MAIN
2
BOARD
(1/4)
5
(3/4)
MAIN
BOARD
IC B/D
IC B/D
0
0
0
5
0
0.6
0
2.5
2.5
2.5
2.5
2.5
2.5
5
0
2.5
5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
5
2.5
2.5
2.5
2.5
2.5
2.5
5
2.5
2.5
2.5
BT_RP
BT_LN
BT_RN
BT_LP
NJM12904V(TE2)
IC302
1
2
3
4
G
5
6
7
8
V
22k
R328
22k
R326
10p
C323
10p
C322
10p
C321
AGND
V5A
INPUT_SEL
AOUT
NJU7181RB1(TE2)
IC301
1 IN
2 AMPOUT
3 TRIN
4 GND
5
CAPD
6
RESD
7
OUT
8
V+
1k
R322
AUDIO_DET
220k
R321
10p
C317
3.3k
R301
3.3k
R302
NJM2752RB2
IC304
1
OUT
A
2
IN1A
3
V+
4
IN2A
5
CNT1
6
VREF
7
IN2B
8
GND
9
IN1B
10
OUTB
NJM12904V(TE2)
IC305
1
2
3
4
G
5
6
7
8
V
1
2
3
3P
CN301
R_IN
AGND
L_IN
JL301
JL302
JL303
FB301
FB302
FB303
DGND
D301
MC2837
D302
MC2837
NJM12904V(TE2)
IC303
1
2
3
4
G
5
6
7
8
V
4.7k
R304
4.7k
R303
1000p
C343
1000p
C344
0.01
C345
1
C346
1
C349
1
C348
1
C347
1
C301
1
C302
1
C304
1
C303
33k
R312
22k
R349
33k
R311
22k
R348
33k
R309
33k
R310
100
R358
22k
R347
22k
R346
10p
C350
10p
C351
10p
C312
10p
C352
10p
C353
22k
R351
22k
R350
22k
R315
22k
R316
100
R317
100
R318
C328
1
1
C326
1
C358
100
R329
100
R325
1k
R332
1k
R330
22k
R353
10p
C357
1k
R336
1
C333
1
C330
10p
C356
100
R357
100
R356
1
C327
1
C329
1k
R333
1
C332
100
R355
100
R354
10p
C354
22k
R352
10p
C355
0.22
C311
0.22
C313
0.01
C316
0.01
C315
3.3k
R314
3.3k
R320
10
C325
0.01
C324
220k
R331
2.7k
R319
2.7k
R313
0.1
C334
10
C337
1
C336
10k
R338
10
C331
1
C335
10k
R337
22
C339
1
C342
1000p
C338
1k
R345
47k
R341
47k
R340
1k
R343
0
R344
10k
R342
1
C340
10k
R339
10p
C341
IC302
MIX AMP
LINE AMP
IC303
LEVEL DETECT
IC301
INPUT SELECT
IC304
MIX AMP
IC305
MAIN BOARD (2/4)
BOARD
JACK
(1/2)
8
I
2
12
A
D
5
B
7
C
6
11
3
H
F
G
9
E
10
1
4
(Page 22)
(Page 24)
SRS-BTV25
SRS-BTV25
24
24
4-7. SCHEMATIC DIAGRAM - MAIN Section (3/4) -
• See page 19 for waveforms. • See page 26 for IC Block Diagrams.
BOARD
(4/4)
6
MAIN
MAIN
1
(1/4)
BOARD
MAIN
5
(2/4)
BOARD
IC B/D
IC B/D
IC B/D
IC B/D
2
3
4
6.5
0
0
6.5
6.5
6.5
0
3.3
1.7
1
0.6
1.1
10.2
16
13.2
6.5
13.2
6.5
13.2
13.2
16
16
13.2
13.2
6.5
3.3
1.6
0.9
1.8
3.3
1.6
1.6
1.2
3.3
3.3
3.3
3.3
3.3
3.3
10.2
16
13.2
13.2
6.5
3.3
3.3
6
6
3.3
5
6
11.7
2.5
1.6
1.2
3.3
3.3
3.3
2.5
1.6
3.3
5
2.5
1.6
1.6
1.6
1.6
1.6
TAS_SCL
2SC3052EF-T1-LEF
Q401
RT3AMMAM1-T111-1F
Q402
1
2
3
4
5
6
V13
AGND
TAS_SDA
22uH
L404
TAS_RESET
22uH
L403
JL404
PCM1808PWR
IC402
1
VREF
2
AGND
3
VCC
4
VDD
5
DGND
6
SCKI
7
LRCK
8
BCK
9
DOUT
10 MD0
11 MD1
12 FMT
13 VINL
14 VINR
22uH
L402
JL403
22uH
L401
JL402
TAS5707PHPR
IC406
1
OUT
A
2
PVDDA
3
PVDDA
4
BST
A
5
GVDDO
6
SSTIM
7
OCA
8
NC
9
A
VSS
10
PLLFL
TM
11
PLLFL
TP
12
VRANA
13 AVDD
14 FAULT
15 MCLK
16 OSCRES
17 DVSSO
18 VRDIG
19 PDN
20 LRCK
21 SCLK
22 SDIN
23 SDA
24 SCL
25
RESET
26
STEST
27
DVDD
28
DVSS
29
GND
30
AGND
31
VREG
32
GVDDO
33
BSTD
34
PVDDD
35
PVDDD
36
OUTD
37
PGNDCD
38
PGNDCD
39
OUTC
40
PVDDC
41
PVDDC
42
BSTC
43
BSTB
44
PVDDB
45
PVDDB
46
OUTB
47
PGNDAB
48
PGNDAB
JL401
MM3404A33NRE
IC404
1
VIN
2
GND
3
CE
4
NC
5
VOUT
DC_DET
MM3404A50NRE
IC403
1
VIN
2
GND
3
CE
4
NC
5
VOUT
TAS_PDN
TC7WHU04FK
IC401
1
2
3
4
G
5
6
7
8
V
TAS_FAULT
DGND
AOUT
1
2
3
3P
CN401
WF+
NC
WF-
1
2
2P
CN402
TW+
TW-
CTL_PWR3
I
O
G
NJM78M06DL1A (TE2)
IC405
1
3
2
V5A
V13E
G
G
12.288MHz
X401
1
2
FB401
0.033
C437
0.033
C438
10k
R443
18k
R425
1000p
C462
0.1
C414
10
C415
10
C419
0.1
C418
0
R422
10
C416
0.1
C417
10
C422
0.1
C425
0.1
C440
0.1
C441
0.1
C435
25V
470
C442
25V
470
C449
1
C431
0.033
C433
1
C429
0.1
C436
0.033
C432
0.022
C450
0.47
C445
0.022
C455
4.7
R434
0.47
C446
0.022
C456
0.022
C451
4.7
R435
0.022
C458
0.022
C453
4.7
R437
0.47
C448
0.47
C447
0.022
C452
0.022
C457
4.7
R436
470
R427
470
R428
4700p
C420
0.047
C423
1
C430
22k
R429
0.047
C424
4700p
C426
1
C439
10k
R430
100k
R433
100k
R432
0
R438
0
R439
50V
10
C459
50V
10
C460
10
C454
100k
R431
1k
R426
0.1
C421
50V
10
C461
0.1
C434
0.1
C427
1k
R423
100
R412
100
R404
100
R403
33
R415
33
R401
100
R421
100
R417
100
R416
100
R419
100
R420
100
R418
0.1
C412
22
C463
22
C413
0
R414
10k
R445
0.1
C465
0.1
C405
10
C406
18p
C408
22
C410
0.1
C409
22
C464
1
C404
1
C403
2.2k
R409
15p
C407
1M
R410
33
R402
100k
R444
C402
10p
MAIN BOARD (3/4)
POWER AMP
IC406
+3.3V REGULATOR
IC404
+6V REGULATOR
IC405
IC403
IC402
A/D CONVERTER
IC401
CLOCK BUFFER
SP1
(WOOFER)
SP2
(TWEETER)
+5V REGULATOR
PROTECT DETECT
OVER LOAD DETECT
8
I
14
2
12
A
D
5
B
7
C
6
11
3
H
F
13
G
9
E
10
1
4
(Page 22)
(Page 23)
(Page 25)
Click on the first or last page to see other SRS-BTV25 service manuals if exist.